Re: [Xen-devel] [XCI] set up a paravirtualized VM

[Jean Guyader <jean.guyader@xxxxxxxxx>]

2009/7/30 Kornelius Prell <kornelius.prell@xxxxxxxxxxxxxx>:
> Hello,
>
> in the last days I've built Xenclient and successfully created a Windows VM
> according to
> Takas mail here:
> http://lists.xensource.com/archives/html/xen-users/2009-06/msg00276.html
>
> Now I was wondering what it takes to set up a paravirtualized VM in
> Xenclient.
> I tried to boot my Debian Lenny system (with Xen [2.6.26-1-xen-686] kernel /
> initrd and Xenclient kernel / initramfs) as a pv VM without much success.
> It is initalised in paused state and unpausing it won't help (it gets into
> running state but top shows completly idle CPU).
>
> I cannot find any error in the /tmp/xenvm-debug logfile so far:
> [20090729 06:27:40.956|info|xenvm] stale socket left by previous xenvm.
> removing
> [20090729 06:27:40.957|info|vmact] sending notification ping
> [20090729 06:27:40.957|debug|xenops] Regenerating the xenstored tree under:
> [/local/domain/5]
> [20090729 06:27:40.962|debug|xenops] Created domain with id: 5
> [20090729 06:27:40.962|info|vmact] sending notification vm:state:created
> [20090729 06:27:40.980|debug|xenops] build_pre domid=5; mem=1048576 KiB;
> shadow=0 KiB (0 MiB); video=0 KiB
> [20090729 06:27:40.980|debug|xenguesthelper] connect: args = [ -mode
> linux_build -domid 5 -memsize 1024 -image /boot/vmlinuz -ramdisk
> /boot/initramfs.gz -cmdline root=/dev/sda1 ro -features  -flags 0
> -store_port 1 -console_port 2 -fork true ]
> [20090729 06:27:41.276|debug|xenops] Read [910778 910777 ]
> [20090729 06:27:41.280|debug|xenops] Device.Vbd.add (virtpath=hda |
> physpath=/dev/sda | phystype=phys)
> [20090729 06:27:41.280|debug|xenops] adding device
> B0[/local/domain/0/backend/vbd/5/768]  F5[/local/domain/5/device/vbd/768]
> H[/xapi/5/hotplug/vbd/768]
> [20090729 06:27:41.290|debug|hotplug] Hotplug.wait_for_plug: frontend
> (domid=5 | kind=vbd | devid=768); backend (domid=0 | kind=vbd | devid=768)
> [20090729 06:27:41.290|debug|xenops] watch: watching xenstore paths: [
> /xapi/5/hotplug/vbd/768/hotplug ] with timeout 1200.000000 seconds
> [20090729 06:27:41.291|debug|xenops] watch: fired on
> /xapi/5/hotplug/vbd/768/hotplug
> [20090729 06:27:41.401|debug|xenops] watch: fired on
> /xapi/5/hotplug/vbd/768/hotplug
> [20090729 06:27:41.401|debug|xenops] watch: value has appeared:
> /xapi/5/hotplug/vbd/768/hotplug = online
> [20090729 06:27:41.401|debug|xenops] watch: Successfully finished watching
> xenstore after 0.110453 seconds
> [20090729 06:27:41.401|debug|hotplug] Synchronised ok with hotplug script:
> frontend (domid=5 | kind=vbd | devid=768); backend (domid=0 | kind=vbd |
> devid=768)
> [20090729 06:27:41.401|debug|xenops] Device.Vif.add domid=5 devid=-1
> mac=22:7f:83:17:25:db rate=none
> [20090729 06:27:41.401|debug|xenops] adding device
> B0[/local/domain/0/backend/vif/5/-1]  F5[/local/domain/5/device/vif/-1]
> H[/xapi/5/hotplug/vif/-1]
> [20090729 06:27:41.407|debug|hotplug] Hotplug.wait_for_plug: frontend
> (domid=5 | kind=vif | devid=-1); backend (domid=0 | kind=vif | devid=-1)
> [20090729 06:27:41.408|debug|xenops] watch: watching xenstore paths: [
> /xapi/5/hotplug/vif/-1/hotplug ] with timeout 1200.000000 seconds
> [20090729 06:27:41.408|debug|xenops] watch: fired on
> /xapi/5/hotplug/vif/-1/hotplug
> [20090729 06:27:41.551|debug|xenops] watch: fired on
> /xapi/5/hotplug/vif/-1/hotplug
> [20090729 06:27:41.552|debug|xenops] watch: value has appeared:
> /xapi/5/hotplug/vif/-1/hotplug = online
> [20090729 06:27:41.552|debug|xenops] watch: Successfully finished watching
> xenstore after 0.144395 seconds
> [20090729 06:27:41.552|debug|hotplug] Synchronised ok with hotplug script:
> frontend (domid=5 | kind=vif | devid=-1); backend (domid=0 | kind=vif |
> devid=-1)
> [20090729 06:27:41.552|debug|netman] Adding vif5.429496729 to bridge xenbr0
> [20090729 06:27:41.556|debug|xenops] Executing [
> /opt/xensource/libexec/closeandexec --
> /opt/xensource/libexec/vncterm-wrapper 5 -x /local/domain/5/serial/0 ]
> [20090729 06:27:41.558|debug|xenops] watch: watching xenstore paths: [
> /local/domain/5/serial/0/vnc-port ] with timeout 1200.000000 seconds
> [20090729 06:27:41.559|debug|xenops] watch: fired on
> /local/domain/5/serial/0/vnc-port
>
> Here is the VM config file:
> uuid = 01000000-0000-0000-0000-102130000014
> hvm = false
> memory = 1024
> debug = true
> kernel = /boot/vmlinuz
> initrd = /boot/initramfs.gz
> disk = /dev/sda:phy:hda:w:disk
> cmdline = root=/dev/sda1 ro
> boot = c
> vif = bridge=xenbr0
>
> Is there a possibility to fetch the log of the boot process of a
> paravirtualised guest VM?
>

Hi,

You need to start xenconsoled -i &, then reboot your guest and you
should be able to get to the console using /usr/lib/xen/bin/xenconsole
<domid>

Jean

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel